// [InlineData(2000)] // ~1m
#endif
public async void Snowball_ConfirmsAndExecutes_SingleMessage(int peersCount)
{
var hashResolver = new FakeHashResolver();
var executor = await ExecutorFakes.GetExecutor(ExecutorFakes.TestAgents);
var peerConnectorProvider = new FakePeerConnectorProvider();
var peers = Enumerable.Range(0, peersCount).Select(x => FakePeerConnectorProvider.GetFakePeer()).ToArray();
var snowballParameters = await hashResolver.StoreAsync <object>(new SnowballParameters(5, 0.8, 25));
var(chain, inputMessages, expectedOutputMessages) = await ExecutorFakes.GetTestAgentScenario(hashResolver, "Apocryph-SnowballConsensus", snowballParameters, peersCount);
var chainId = Hash.From(chain);
var started = new TaskCompletionSource <bool>();
async IAsyncEnumerable <(Hash <Chain>, Slot?[])> kothStates()
{
await started.Task;
yield return(chainId, peers.Select(peer => (Slot?)new Slot(peer, new byte[0])).ToArray());
}
var outputStreams = await SnowballFakes.StartSnowballNetwork(peers, hashResolver, peerConnectorProvider, chain, executor,
peer => (inputMessages.ToAsyncEnumerable(), "-", kothStates()));
started.TrySetResult(true);
// NOTE: Using WhenAll here, since (A) we need to iterate all streams fully and (B) PerperFakeStream does not propagate completion
var cancellation = new CancellationTokenSource();
await Task.WhenAll(outputStreams.Select(async stream =>
{
try
{
var enumerator = stream.GetAsyncEnumerator();
foreach (var expectedMessage in expectedOutputMessages)
{
await enumerator.MoveNextAsync(cancellation.Token);
Assert.Equal(enumerator.Current, expectedMessage, SerializedComparer.Instance);
}
// NOTE: Would be nice to confirm there are no other stream items
}
catch (Exception e)
{
_output.WriteLine(e.ToString());
throw;
}
}));
cancellation.Cancel();
}
public async void ExecutionStream_Returns_ExpectedMesages()
{
var hashResolver = new FakeHashResolver();
var executor = await ExecutorFakes.GetExecutor(ExecutorFakes.TestAgents);
var(chain, inputMessages, expectedOutputMessages) = await ExecutorFakes.GetTestAgentScenario(hashResolver, "Apocryph-DummyConsensus", null, 1);
var dummyConsensus = new DummyConsensus();
var outputMessages = await dummyConsensus.ExecutionStream((inputMessages.ToAsyncEnumerable(), chain, executor), hashResolver).ToArrayAsync();
Assert.Equal(outputMessages, expectedOutputMessages, SerializedComparer.Instance);
}
